Deck 14: Extension: B - The Parietal Lobes

Question 1

Use the following to answer questions:
For each disorder listed, choose the most appropriate description below.
apraxia ___

A)inability to write
B)inability to learn serial novel movements
C)impaired speech

Answer 1

inability to learn serial novel movements

Question 2

Use the following to answer questions:
Match the terms below with the correct alternative from the list.
dyscalculia ___

A)inability to recognize objects by touch
B)inability to name and locate body parts
C)lack of awareness of one's own illness
D)inability to do arithmetic

Answer 2

inability to do arithmetic

Question 3

Use the following to answer questions:
Match the condition in each question with the most appropriate description.
anosodiaphoria ___

A)indifference to illness
B)ability to point to touched area despite lack of conscious perception of the touch
C)finger clumsiness due to lost sensory feedback
D)failure to perceive one of two similar stimuli presented simultaneously

Answer 3

indifference to illness

Question 4

Use the following to answer questions:
Match the condition in each question with the most appropriate description.
afferent paresis ___

A)indifference to illness
B)ability to point to touched area despite lack of conscious perception of the touch
C)finger clumsiness due to lost sensory feedback
D)failure to perceive one of two similar stimuli presented simultaneously

Question 5

Use the following to answer questions:
Match the brain areas in each question with the correct alternative.
Brodmann 1, 2, 3, 43 ___

A)greatly expanded in the human brain
B)anterior zone of parietal lobe
C)secondary somatosensory cortex
D)ventral border of the lateral parietal lobe

Question 6

Use the following to answer questions:
Match the terms below with the correct alternative from the list.
astereognosis ___

A)inability to recognize objects by touch
B)inability to name and locate body parts
C)lack of awareness of one's own illness
D)inability to do arithmetic

Question 7

Use the following to answer questions:
Match the symptom in each question with the most probable lesion site.
tactile agnosia ___

A)areas PF and PG of the left hemisphere
B)area PG of the right hemisphere
C)area PE
D)contralateral areas 1, 2, and 3

Question 8

Use the following to answer questions:
For each disorder listed, choose the most appropriate description below.
dysphasia ___

A)inability to write
B)inability to learn serial novel movements
C)impaired speech

Question 9

Use the following to answer questions:
Match the brain areas in each question with the correct alternative.
PG polymodal area ___

A)greatly expanded in the human brain
B)anterior zone of parietal lobe
C)secondary somatosensory cortex
D)ventral border of the lateral parietal lobe

Question 10

Use the following to answer questions:
For each symptom listed, answer
right-left discrimination ___

A) if the percentage of subjects showing the symptom is greater following left parietal lobe damage
B) if the percentage of subjects showing the symptom is greater following right parietal lobe damage.

Question 11

Use the following to answer questions:
Match the terms below with the correct alternative from the list.
anosognosia ___

A)inability to recognize objects by touch
B)inability to name and locate body parts
C)lack of awareness of one's own illness
D)inability to do arithmetic

Question 12

Use the following to answer questions:
Match the condition in each question with the most appropriate description.
blind touch ___

A)indifference to illness
B)ability to point to touched area despite lack of conscious perception of the touch
C)finger clumsiness due to lost sensory feedback
D)failure to perceive one of two similar stimuli presented simultaneously

Question 13

Use the following to answer questions:
For each disorder listed, choose the most appropriate description below.
agraphia ___

A)inability to write
B)inability to learn serial novel movements
C)impaired speech

Question 14

Use the following to answer questions:
Match the terms below with the correct alternative from the list.
autopagnosia ___

A)inability to recognize objects by touch
B)inability to name and locate body parts
C)lack of awareness of one's own illness
D)inability to do arithmetic

Question 15

Use the following to answer questions:
Match the brain areas in each question with the correct alternative.
lateral fissure ___

A)greatly expanded in the human brain
B)anterior zone of parietal lobe
C)secondary somatosensory cortex
D)ventral border of the lateral parietal lobe

Question 16

Use the following to answer questions:
Match the brain areas in each question with the correct alternative.
Areas PE and PF ___

A)greatly expanded in the human brain
B)anterior zone of parietal lobe
C)secondary somatosensory cortex
D)ventral border of the lateral parietal lobe

Question 17

Use the following to answer questions:
For each symptom listed, answer
Weigl's sorting test ___

A) if the percentage of subjects showing the symptom is greater following left parietal lobe damage
B) if the percentage of subjects showing the symptom is greater following right parietal lobe damage.

Question 18

Use the following to answer questions:
For each symptom listed, answer
dressing disability ___

A) if the percentage of subjects showing the symptom is greater following left parietal lobe damage
B) if the percentage of subjects showing the symptom is greater following right parietal lobe damage.

Question 19

Use the following to answer questions:
For each symptom listed, answer
unilateral neglect ___

A) if the percentage of subjects showing the symptom is greater following left parietal lobe damage
B) if the percentage of subjects showing the symptom is greater following right parietal lobe damage.

Question 20

Use the following to answer questions:
Match the condition in each question with the most appropriate description.
simultaneous extinction ___

A)indifference to illness
B)ability to point to touched area despite lack of conscious perception of the touch
C)finger clumsiness due to lost sensory feedback
D)failure to perceive one of two similar stimuli presented simultaneously

Question 21

Your patient has had a stroke involving the left parietal cortex, particularly areas 1, 2, and 3 and the adjacent cortex (parts of PE and PF). What is your expectation regarding possible sensory and perceptual defects, and how would you test for this?

Question 22

Describe two important characteristics that all posterior parietal lobe neurons have in common with one another based upon studies of monkeys noted by Stein in 1992.

Question 23

What evidence exists that suggests that individual differences in spatial cognition are associated with differences in brain anatomy?

Question 24

Use the following to answer questions:
Match the symptom in each question with the most probable lesion site.
increased somatosensory thresholds ___

A)areas PF and PG of the left hemisphere
B)area PG of the right hemisphere
C)area PE
D)contralateral areas 1, 2, and 3

Question 25

What are the three main symptoms originally described by Balint in 1909 that led to the concept of Balint's syndrome?

Question 26

Use the following to answer questions:
Match the symptom in each question with the most probable lesion site.
apraxia ___

A)areas PF and PG of the left hemisphere
B)area PG of the right hemisphere
C)area PE
D)contralateral areas 1, 2, and 3

Question 27

Discuss the significance of the expansion of the polymodal areas of PG and STS in humans.

Question 28

Describe at least four cognitive deficits which are more likely to occur with right parietal damage than with left parietal damage.
Answer Key

Question 29

How could having "too much" information be counterproductive in the efficient functioning of a given brain system?

Question 30

How does Elizabeth Warrington account for the inability of patients with right parietal lesions to recognize common objects viewed from unfamiliar angles?

Question 31

Describe the proposed hemispheric asymmetry of function in the performance of spatial cognition tasks.

Question 32

What is the difference between astereognosis and simultaneous extinction?

Question 33

What are the symptoms that constitute Gerstmann syndrome? Why, do you suppose, these symptoms appear together following parietal damage?

Question 34

How would you describe the functions of the posterior zone of the parietal lobe in humans? Give an example from everyday life.

Question 35

Compare and contrast the roles of the parietal cortex in recognizing objects and guiding movement.

Question 36

Describe the activity of neurons in the posterior parietal lobe of monkeys in response to stationary visual stimuli with and without reaching and with and without attentional focus on the stimulus.

Question 37

What symptoms of parietal - lobe damage do NOT fit neatly into the view of the parietal lobe as a "visuomotor control center"?

Question 38

How did the experiments by Andersen and colleagues suggest a role for the posterior parietal cortex in thought and intention?

Question 39

Describe the two stages of recovery of contralateral neglect.

Question 40

Use the following to answer questions:
Match the symptom in each question with the most probable lesion site.
contralateral neglect ___

A)areas PF and PG of the left hemisphere
B)area PG of the right hemisphere
C)area PE
D)contralateral areas 1, 2, and 3